An instrument specifically designed to measure the amplitude and frequency of the constituents of a complex electrical wave form. May include transducer mechanism for converting sound pressure into electrical energy.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6135-01-390-7364
NSN 5999-00-058-7198
NSN 5930-00-967-4575
NSN 5950-01-210-7282
NSN 5920-01-104-6198
NSN 5835-01-297-1909
NSN 6105-01-232-8563
NSN 5975-01-010-2953
NSN 6145-01-372-5709
NSN 5999-01-269-8113
NSN 6220-01-605-1346
NSN 5996-01-011-3803